Xeroderma Pigmentosum protein C (XPC) is involved in recognition and repair of bulky DNA damage such as lesions induced by Ultra Violet (UV) radiation. XPC-mutated cells are, therefore, photosensitive accumulate UVB-induced pyrimidine dimers leading to increased cancer incidence. Here, we performed a high-throughput screen identify chemicals capable normalizing the XP-C phenotype (hyper-photose...

background and aims. pemphigus is a chronic autoimmune and vesiculobollous disease that can affect skin and different mucous membrane surfaces. primary manifestations occur in oral cavity in almost 60% of cases. the purpose of the present study was to evaluate the epidemiology of pemphigus in tehran, iran in a 20-year period. materials and methods. a retrospective study was conducted on the rec...

basal cell carcinoma (bcc) is the most common cancer of the skin. definite diagnosis usually requires histological examination but recently it has been suggested that cytological examination of skin smear can be used as an alternative. to evaluate sensitivity and specificity of cytological examination, a total of 125 skin lesions, clinically suspected to be bcc were studied. cytological samples...

OBJECTIVE To identify doctor and patient characteristics associated with excision of benign versus malignant pigmented skin lesions. DESIGN, SETTING AND PARTICIPANTS Retrospective audit of data on 4741 pigmented skin lesions excised from November 1998 to February 2000 by 468 general practitioners (39% response rate) from 223 practices in Perth, WA. (The data used were from the baseline period...

ba c k g r o u nd: skin  metastases occur  in  1-5%  of  solid  tumors  and  are  rarely the presenting sign of internal malignancies. certain features in skin lesions raise suspicion of metastasis from solid tumors. c a s e presentation: in this article a 61-year-old woman is presented with erythematous skin nodules  in  upper  abdomen  and  chest. histopathological evaluation  of  lesions sug...

background: albinos in africa are at constant risk of developing skin cancer due to the damage caused by ultra-violet exposure. this study identifies the common skin conditions among albinos in kenya as a country located along the equator.    methods: in this descriptive study on albino patients who were admitted to mbagathi district hospital in nairobi, kenya the census method was used for sam...

To the Editor: We present the case of a 31-year-old woman with no relevant medical history, who consulted because of lesions on the backs of the hands related to minor traumas; the lesions worsened in the summer leaving residual hyperpigmentation (Figure). The patient had phototype III skin and displayed discrete hypertrichosis in the zygomatic areas. Photosensitive dermatosis was suspected and...